D’Hooghe, Pieter http://orcid.org/0000-0003-0003-6305
Waldén, Markus
Hägglund, Martin
Bengtsson, Håkan
Ekstrand, Jan
Funding for this research was provided by:
Aspetar
Article History
Received: 10 November 2021
Accepted: 10 May 2022
First Online: 10 June 2022
Declarations
:
: All authors confirm to have no conflict of interest to the content of this paper.
: Individual ethical approval was also obtained from the ethical review authorities in Denmark, Norway and Sweden (#01-062, #M240-09, and #S-06188).
: Written informed consents have been collected from all participating players in accordance with the Declaration of Helsinki. The general study protocol was reviewed and approved by the UEFA Football Development Division and the UEFA Medical Committee.